How to change charger pin
How to change realme 8i charger pin full details
This may just be an artifact of auto translation, but I'm going on the assumption that you are asking how to change the USB-C charging port on your phone.
Sorry to say that iFixit doesn't have a guide for replacing that on your phone, but there's a Spanish site called Nadie Me Llama Gallina, or Nobody Calls Me Chicken, that does have just what you need. If you view it with the Chrome browser and allow it to do the translation, the guide is very much usable.
You're fortunate in that your USB-C port is mounted on a small auxiliary board mounted near the bottom of the phone and can be replaced by itself fairly easily. Here's the guide you need.
You shouldn't have too much trouble locating a replacement part; I usually check sites like AliExpress, Amazon and eBay among others. Here's one of the first ones I found on a cursory search.
Good luck with your repair; let us know if you need any help and be sure to tell us how it turns out for you!
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